<template>
	<div class="shopcar-container">
	    
		<!-- 商品列表区域 -->
		<div class="goods-list">
			<div class="mui-card" v-for="(item,i) in GoodsList" :key="item.id">
				<div class="mui-card-content">
					<div class="mui-card-content-inner">
						<mt-switch 
							v-model="$store.getters.getGoodsSelected[item.id]"
							@change="selectedChanged(item.id, $store.getters.getGoodsSelected[item.id])">
						</mt-switch>
						<img :src="item.thumb_path" alt="">
						<div class="info">
							<h1>{{ item.title }}</h1>
							<p>
								<span class="price">￥{{ item.sell_price}}</span>
								<numbox :initcount="$store.getters.getGoodsCount[item.id]" :goodsid="item.id"></numbox>
								<a href="#" @click.prevent="remove(item.id, i)">删除</a>
							</p>
						</div>
					</div>
				</div>
			</div>
		</div>

		<!-- 结算区域 -->
		<div class="mui-card">
			<div class="mui-card-content">
				<div class="mui-card-content-inner jiesuan">
					<div class="left">
						<p>总计（不含运费）</p>
						<p>已勾选商品<span class="price-red">{{ $store.getters.getGoodsCountAndAmount.count }}</span>件，总价<span class="price-red">￥{{ $store.getters.getGoodsCountAndAmount.amount }}</span></p>
					</div>
					<mt-button type="danger">去结算</mt-button>
				</div>
			</div>
		</div>

	</div>
</template>

<script>
import numbox from '../subcomponents/shopcar_numbox.vue'

export default {
	data(){
		return {
			GoodsList: [] //购物车中所有商品的数据
		}
	},
	created() {
		this.getGoodsList();
	},
	methods: {
		getGoodsList() {
			// 获取store中所有的商品ID，然后拼接出一个用逗号分隔的字符串
			var idArr = [];
				this.$store.state.car.forEach(item => idArr.push(item.id));
			// 如果购物车中没有商品，则直接返回，不需要请求数据接口，否则会报错
			if(idArr.length <= 0) {
				return;
			}
			//获取购物车商品列表
			this.$http.get('api/goods/getshopcarlist/' + idArr.join(",")).then(result => {
				if(result.body.status === 0) {
					this.GoodsList = result.body.message;
				}
			});
		},

		
		remove(id, index) {
			// 删除goodslist和store中的商品数据
			this.GoodsList.splice(index, 1);
			this.$store.commit('removeFromCar', id);
		},
		selectedChanged(id,val){
			// 每当点击开关，把最新的开关状态，同步到store中
			// console.log(id + '---' +val)
			this.$store.commit("updatedGoodsSelected", {id, selected: val});
		}
	},
	components: {
		numbox
	}
}
</script>

<style lang="scss" scoped>
.shopcar-container {
	background-color: #eee;
	overflow: hidden;

	.goods-list {		
		.mui-card-content-inner {
			display: flex;
			align-items: center;
			img {
				width: 60px;
				height: 60px;
			}
			.info {
				display: flex;
				flex-direction: column;
				justify-content: space-between;
				h1 {
					font-size: 13px;
				}
				.price{
					color:red;
					font-weight: bold;
				}
			}
		}
	}

	.jiesuan{
		display: flex;
		justify-content: space-between;
		align-items: center;
		.price-red {
			color:red;
			font-weight: bold;
			font-size: 16px;
		}
	}
}
</style>
